import { Injectable } from '@angular/core';
import { JsonPathExpression } from '../../models/jsonpath-expression-type.model';
import { PfeStateService } from './../../services/pfe-state-service/state.service';
import { PfeResetStateActionConfig } from './reset-state.model';

@Injectable()
export class PfeResetStateService {
  constructor(protected pfeStateService: PfeStateService) {}

  public resetState = async (actionConfig: PfeResetStateActionConfig): Promise<void> => {
    const stateToKeepMap = new Map<JsonPathExpression, unknown>();
    actionConfig.excludeFromResetExpressions?.forEach((exceptionExpression) => {
      const stateValue = this.pfeStateService.getStateValueByExpression(exceptionExpression);
      stateToKeepMap.set(exceptionExpression, stateValue);
    });

    await this.pfeStateService.resetState();

    for (const [key, value] of stateToKeepMap.entries()) {
      this.pfeStateService.storeValueByExpression(key, value);
    }
    return;
  };
}